Add test for .zenodo format

Following Imageomics/pybioclip#75

Co-authored-by: John Bradley <[email protected]>

.github/workflows/validate-zenodo.yml

@@ -0,0 +1,19 @@
+name: Check zenodo metadata
+
+on: [push]
+
+jobs:
+  check-zenodo-metadata:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+      - name: Install dependencies
+        run: npm install [email protected]
+      - name: Check .zenodo.json file
+        run: |
+          npx zenodraft metadata validate .zenodo.json